Automobile electronics is an electrically developed systems used in road vehicles. It plays major role in controlling engine of a vehicle. Engine ignition (spark, timing), fuel injection, entertainment systems such as music, communication systems, emissions controls, heating/air conditioning, navigation system, security systems are different functions controlled electronically in vehicles. Automotive electronics basically originated from transition towards advanced safety systems. Automobile electronics are becoming very popular and increasingly adopted by the consumers due to rising technological advancements.